A. deployments
To research deployments you need:
information on military units getting deployed
information on the structure of the military, in order to make a good interpretation of the information
information on how troops deploy and their logistics
1. A good starting point is the website of the ministry of defense and of the military
http://www.nato.int/cps/en/natolive/nato_countries.htm - an overview of links to the MoD of the NATO countries
On these website you often find: